Geometrical constraint experimental determination of Raman lidar overlap profile

被引：20
|
作者：
Li, Jian [1 ]
Li, Chengcai [1 ]
Zhao, Yiming [2 ]
Li, Jing [1 ]
Chu, Yiqi [1 ]
机构：
[1] Peking Univ, Sch Phys, Dept Atmospher & Ocean Sci, Beijing 100871, Peoples R China
[2] Beijing Res Inst Telemetry, Beijing 100076, Peoples R China
来源：
APPLIED OPTICS | 2016年 / 55卷 / 18期
基金：
中国国家自然科学基金;
关键词：
LASER-RADAR EQUATION; FORM-FACTOR; CROSSOVER FUNCTION; SIGNALS; MISALIGNMENT;
D O I：
10.1364/AO.55.004924
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A simple experimental method to determine the overlap profile of Raman lidar is presented in this paper. Based on Mie and Raman backscattering signals and a geometrically constrained condition, the overlap profile of a Raman lidar system can be determined. Our approach simultaneously retrieves the lidar ratio of aerosols, which is one of the most important sources of uncertainty in the overlap profile determination. The results indicate that the overlap factor is significantly influenced by the lidar ratio in experimental methods. A representative case study indicates that the correction of the overlap profile obtained by this method is practical and feasible. (C) 2016 Optical Society of America
引用
收藏
页码：4924 / 4928
页数：5
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